#include <bits/stdc++.h>
using namespace std;

int a,b[100010],c[100010],d;

int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","W",stdout);
    scanf("%d" ,&a);
    for(int i = 1; i <= a;i++){
        scanf("%d" ,&b[i]);
        c[b[i]]++;
    }
    for(int i = 1;i <= 100000;i++)
        d = max(c[i],d);
    printf("%d" ,d);
    return 0;
}
